Question

A 2 year old could answer this.

Answer 1

B.

2 year old when they grow up

Explanation:

Answer 2

B. x = 3

Explanation:

The graph is shown below. The solution is the x-coordinate of the point where the graphs cross. That point is (3, -3), so the solution is x = 3.

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Comment on the question

A 2-year old might have difficulty with the idea of an exponential function, but certainly a 4-year old can operate a graphing calculator well enough to answer this.